2 years ago

(-4k⁴+14+3k²)+(3k⁴-14k²-8) write answer in standard form

Mathematics

1 answer:

Shkiper50 [21]2 years ago

5 0

Dont click the link the bot sent you they can hack you

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The square of 15 is 225. The square of what other number is 225?

Firlakuza [10]

Answer:

-15

Step-by-step explanation:

-15²

= -15×-15

= 225

hope it helps!!

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2 years ago

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Find the common ratio for the following sequence. 0.1, 0.01, 0.001, ... 0.01 0.1 0.001

Zinaida [17]

Answer:

$\frac{1}{10}$

Step-by-step explanation:

$a_1 = 0.1\\a_2 = 0.01\\a_3 = 0.001$

$r = \frac{a_2}{a_1}$

$r = \frac{0.01}{0.1}$

$r=0.1$

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2 years ago

Using the total cost for Ashley's phone plan in the previous question, Calculate the total cost if she talked for 500 minutes an

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2 years ago

A stone is dropped from the edge of a roof, and hits the ground with a velocity of -185 feet per second. How high (in feet) is t

34kurt

Answer:

The height of the roof is 534.8 feet.

Step-by-step explanation:

Let h be the height of the roof.

We know the formula

$v^2-u^2=2gh$

Since, the stone is dropped from the edge of the roof hence, the initial velocity should be zero. Thus, u = 0

$v^2-0=2gh\\h=\frac{v^2}{2g}$

Now, we have

v = -185 feet per second

g = 32 feet per square second

On substituting these values, we get

$h=\frac{(-185)^2}{2\times 32}\\\\h=534.8$

The height of the roof is 534.8 feet.

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3 years ago

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please help me I only have 2 minutes left winner gets brainliest is 1 + (8r+9) and (2+8) + 8r equivalent

s344n2d4d5 [400]

Answer:

Yes, this is equivalent.

Hope this helps!

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2 years ago